Renewal DWO exam, eligible if you have previously passed an initial DWO exam or a renewal exam within the last five years.
Test is open book. You may use a like new, corrected-to-date, but otherwise unmarked copy of the Navigation Rules, International-Inland, COMDTINST M16672.2 (series) book. The book can not contain personalized tabs, indexes, or notes.
If you fail to successfully complete a renewal DWO exam within five years, you must revert back to the initial DWO exam (DWINTO).
Approved Rules of the Road Courses
Credit for completion of the DWO exam can be earned by taking some Rules of the Road courses.